28118673

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 47309184

約数和(自身を除く): 19190511

約数列:

[1, 3, 9, 11, 23, 33, 53, 69, 99, 159, 207, 233, 253, 477, 583, 699, 759, 1219, 1749, 2097, 2277, 2563, 3657, 5247, 5359, 7689, 10971, 12349, 13409, 16077, 23067, 37047, 40227, 48231, 58949, 111141, 120681, 135839, 176847, 284027, 407517, 530541, 852081, 1222551, 2556243, 3124297, 9372891, 28118673]

約数ペア:

[(1, 28118673), (3, 9372891), (9, 3124297), (11, 2556243), (23, 1222551), (33, 852081), (53, 530541), (69, 407517), (99, 284027), (159, 176847), (207, 135839), (233, 120681), (253, 111141), (477, 58949), (583, 48231), (699, 40227), (759, 37047), (1219, 23067), (1749, 16077), (2097, 13409), (2277, 12349), (2563, 10971), (3657, 7689), (5247, 5359)]